11344650665 has 8 divisors (see below), whose sum is σ = 13766542920. Its totient is φ = 8973745792.

The previous prime is 11344650659. The next prime is 11344650703. The reversal of 11344650665 is 56605644311.

It can be written as a sum of positive squares in 4 ways, for example, as 1027779481 + 10316871184 = 32059^2 + 101572^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11344650665 - 2²⁰ = 11343602089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12746354 + ... + 12747243.

It is an arithmetic number, because the mean of its divisors is an integer number (1720817865).

Almost surely, 2^11344650665 is an apocalyptic number.

It is an amenable number.

11344650665 is a deficient number, since it is larger than the sum of its proper divisors (2421892255).

11344650665 is an equidigital number, since it uses as much as digits as its factorization.

11344650665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25493691.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 11344650665 in words is "eleven billion, three hundred forty-four million, six hundred fifty thousand, six hundred sixty-five".